The Weirwood

The weirwood is a species of tree found throughout Westeros, most famously in the godswoods of noble houses and in the haunted forests beyond the Wall. Its bark is bone-white, its leaves are blood-red, and its sap is the same deep crimson. The trees are sacred to the old gods, the nameless deities of the First Men and the children of the forest, and are often carved with faces—solemn, weeping, or screaming visages that stare out from the pale trunks. These faces are not mere decoration; they are the eyes through which the old gods are said to watch the world, and through which greenseers can see across time and space.

Sacred Role and the Old Gods

The weirwood is the heart of the old gods' religion. In the godswood of Winterfell, a great weirwood with a carved face stands beside a dark pool, a place of prayer and reflection for the Starks. Eddard Stark is seen cleaning his greatsword Ice beneath it, and Bran Stark, after his fall, often dreams of the tree and its red eyes. The tree is a witness to oaths and marriages; when Ramsay Bolton weds the false Arya Stark, the ceremony takes place before the heart tree in Winterfell's godswood, where the weirwood's carved red eyes stare down as the couple kneels. The free folk beyond the Wall also revere the weirwoods, carving faces into them as they travel south, a practice that Jon Snow observes with unease, knowing it signals the persistence of the old gods among the wildlings.

The Weirwood as a Greenseer's Tool

For greenseers, the weirwood is a gateway to the past. Bran Stark, under the tutelage of the Three-Eyed Crow, learns to slip his skin and enter the roots of the weirwood, traveling through the earth to see through the carved eyes of heart trees across Westeros. He witnesses his father praying in the Winterfell godswood, sees children dueling with branches, and glimpses a woman heavy with child begging the old gods for a son who would avenge her. The Three-Eyed Crow explains that time is different for a weirwood: "A thousand human years are a moment to a weirwood, and through such gates you and I may gaze into the past." The trees remember everything—songs, spells, histories—and the greenseer can access these memories, though he cannot speak to the dead or change what has happened.

The Weirwood and the Children of the Forest

The children of the forest, the original inhabitants of Westeros, are intimately connected to the weirwoods. They believe that when they die, they go into the wood, becoming part of the tree's consciousness. Leaf, a child of the forest, tells Bran that the singers had no books; instead, they had the trees, and the weirwoods above all. "When they died, they went into the wood, into leaf and limb and root, and the trees remembered." The children carved eyes into the heart trees to awaken them, and these are the first eyes a new greenseer learns to use. The weirwood paste that Bran eats to awaken his gifts is made from weirwood seeds, a bitter substance that eventually tastes sweet, binding him to the trees.

The Weirwood as a Symbol of Memory and Judgment

The weirwood is also a symbol of memory and judgment. In the haunted forest, a weirwood with a carved face watches over the wildlings who have carved new faces into trees, a silent reminder of the old gods' presence. The tree's red eyes are often described as weeping or knowing, and they seem to judge those who come before them. Theon Greyjoy, in the Winterfell godswood, feels the weirwood's gaze and hears the tree murmur his name, a moment of profound guilt and recognition. The weirwood is a witness to history, a keeper of secrets, and a reminder that the past is never truly gone.

The Weirwood in the North and Beyond the Wall

Beyond the Wall, the weirwood is a rare and ancient presence. In the cave of the Three-Eyed Crow, a great weirwood throne embraces the withered body of the last greenseer, its roots growing through his flesh. The cave is filled with the bones of the children of the forest, and the weirwood roots are everywhere, twisting through earth and stone. The weirwood is a source of power and danger; the wights cannot enter the cave because it is warded, and the weirwood's presence is a barrier against the Others. The tree is both a sanctuary and a prison, a place where the living and the dead, the past and the present, converge.

The Weirwood's Enduring Significance

The weirwood is more than a tree; it is a living archive, a sacred symbol, and a conduit for magic. It represents the enduring power of the old gods, the memory of the children of the forest, and the connection between the natural world and the supernatural. For the Starks, the weirwood is a link to their ancestors and their home. For the greenseers, it is a tool for seeing beyond the limits of mortal perception. For all who encounter it, the weirwood is a reminder that the world is older and stranger than it seems, and that some things are best left undisturbed.